Base | Representation |
---|---|
bin | 10010001011110… |
… | …01010011111111 |
3 | 101122000212010000 |
4 | 21011321103333 |
5 | 303022243130 |
6 | 23045245343 |
7 | 3531400146 |
oct | 1105712377 |
9 | 348025100 |
10 | 152540415 |
11 | 79117965 |
12 | 43103853 |
13 | 257ab301 |
14 | 1638a75d |
15 | d5d2260 |
hex | 91794ff |
152540415 has 40 divisors (see below), whose sum is σ = 275299200. Its totient is φ = 80803008.
The previous prime is 152540387. The next prime is 152540467. The reversal of 152540415 is 514045251.
It is not a de Polignac number, because 152540415 - 29 = 152539903 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 62386 + ... + 64784.
It is an arithmetic number, because the mean of its divisors is an integer number (6882480).
Almost surely, 2152540415 is an apocalyptic number.
152540415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
152540415 is a deficient number, since it is larger than the sum of its proper divisors (122758785).
152540415 is a wasteful number, since it uses less digits than its factorization.
152540415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2573 (or 2564 counting only the distinct ones).
The product of its (nonzero) digits is 4000, while the sum is 27.
The square root of 152540415 is about 12350.7252823468. The cubic root of 152540415 is about 534.3120572217.
Adding to 152540415 its reverse (514045251), we get a palindrome (666585666).
The spelling of 152540415 in words is "one hundred fifty-two million, five hundred forty thousand, four hundred fifteen".
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